Matt Jaffe

Matt Jaffe writes about the environment and culture of California and the Southwest.

The Boole sequoia is one of the world’s largest trees.

The Curious Case of the Giant Boole

Most of its neighbors were logged, but the Boole sequoia—one of the world’s largest trees—survived. So why was it named for its adversary?

A view of the Providence Mountains from the desert floor in the Mojave National Preserve.

Mojave on My Mind

Twenty-five years after a landmark act of Congress, a writer hits the road and considers the evolving landscape of the California desert.

Sunrise view at Santa Susana Pass State Historic Park, a crucial wildlife habitat in the west San Fernando Valley.

Pressed for Space

Every U.S. manned rocket launch—including Apollo 11’s—started with a test at the Santa Susana Field Laboratory. Government agencies and concerned locals are squaring off over what happens to the legendary site next.

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